Methyl-4-hydroxy-6-oxo-1-[3-(trifluoromethyl)phenyl]-1,6-dihydro-3-pyridazinecarboxylateMethyl-4-hydroxy-6-oxo-1-[3-(trifluoromethyl)phenyl]-1,6-dihydro-3-pyridazinecarboxylate 97%